Home / 3,014.97-4,160.61-1,688.67

Finding the Fourth Proportional to 3,014.97, 4,160.61 and 1,688.67

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Solution

The fourth proportional to 3,014.97, 4,160.61 and 1,688.67 is: 2,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.97 : 4,160.61 = 1,688.67 : x
  2. Step 2: Convert to fraction form
    3,014.97/4,160.61 = 1,688.67/x
  3. Step 3: Cross multiply
    3,014.97x = 4,160.61 × 1,688.67
  4. Step 4: Simplify right side
    3,014.97x = 7,025,897.29
  5. Step 5: Solve for x
    x = 7,025,897.29/3,014.97
  6. Step 6: Final answer
    x = 2,330.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.